24 replies

Fallback mechanism when img src is invalid

Hello, was surfing on stackoverflow forums when I came across this:

onerror="this.onerror=null;this.src='images/404-error.png';"

onerror="this.onerror=null;this.src='images/404-error.png';"

The

onerror

onerror

attribute, I tried it, seems really nice, when my img src is invalid, I got that custom image instead of that little icon which appears when image is not loaded.

I wanted to discuss a bit about what the

onerror

onerror

is and when it occurs, from what I've read, it occurs each time an internal resource (video/img) fails to load?

How does the

this.onerror=null;

this.onerror=null;

work though? I read that we need it to prevent an infinite loop.

KP-C

Kevin Powell - Community•5mo ago•

24 replies

Faker

Fallback mechanism when img src is invalid

Hello, was surfing on stackoverflow forums when I came across this:

onerror="this.onerror=null;this.src='images/404-error.png';"

onerror="this.onerror=null;this.src='images/404-error.png';"

The

onerror

onerror

onerror

onerror

is and when it occurs, from what I've read, it occurs each time an internal resource (video/img) fails to load?

How does the

this.onerror=null;

this.onerror=null;

work though? I read that we need it to prevent an infinite loop.

Fallback mechanism when img src is invalid

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Fallback mechanism when img src is invalid

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